package com.itboye.ihomebank.util;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ProgressBar;

import com.itboye.ihomebank.R;
import com.itboye.ihomebank.activity.me.UpdateActivity;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * 更新版本
 */
public class UpdateManager {
    private Context mContext;
    // 提示语
    private String updateMsg = "";
    String version = "";
    // 返回的安装包url
    private String apkUrl = "";

    private Dialog noticeDialog;

    private Dialog downloadDialog;
    /* 下载包安装路径 */
    private static final String savePath = "/sdcard/zhujia/";

    private static final String saveFileName = savePath
            + "zhujia.apk";

    /* 进度条与通知ui刷新的handler和msg常量 */
    private ProgressBar mProgress;

    private static final int DOWN_UPDATE = 1;

    private static final int DOWN_OVER = 2;

    private int progress;

    private Thread downLoadThread;
    UIAlertView02 delDialog;
    private boolean interceptFlag = false;

    int type = 1;
    private int dialogType=0;

    private Handler mHandler = new Handler() {
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case DOWN_UPDATE:
                    mProgress.setProgress(progress);
                    break;
                case DOWN_OVER:
                    installApk();
                    break;
                default:
                    break;
            }
        }

        ;
    };

    public UpdateManager(Context context) {
        this.mContext = context;
    }

    public UpdateManager(Context context, String updateMsg, String apkUrl, String version,int dialogType ) {
        this.mContext = context;
        this.updateMsg = updateMsg;
        this.apkUrl = apkUrl;
        this.version = version;
        this.dialogType=dialogType;
    }

    // 外部接口让主Activity调用
    public void checkUpdateInfo() {
        showNoticeDialog();
    }

    private void showNoticeDialog() {
        delDialog = new UIAlertView02(mContext, version, updateMsg, "以后再说", "立即更新",dialogType);
        delDialog.show();
        delDialog.setClicklistener(new UIAlertView02.ClickListenerInterface() {
            public void doLeft() {
                delDialog.dismiss();
            }

            public void doRight() {
                if (type == 0) {
                    showDownloadDialog();
                } else {
                    Intent intent = new Intent(mContext,
                            UpdateActivity.class);
                    intent.putExtra("url", apkUrl);
                    intent.putExtra("banbenhao",version);
                    mContext.startActivity(intent);
                }

                if (dialogType==0){
                    delDialog.dismiss();
                }
            }
        });
    }

    private void showDownloadDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
        builder.setTitle("软件版本更新");
        final LayoutInflater inflater = LayoutInflater.from(mContext);
        View v = inflater.inflate(R.layout.progress_bar, null);
        mProgress = (ProgressBar) v.findViewById(R.id.progress);

        builder.setView(v);
        builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
                interceptFlag = true;
            }
        });
        downloadDialog = builder.create();
        downloadDialog.show();
        downloadDialog.setCanceledOnTouchOutside(false);
        downloadApk();

    }

    private Runnable mdownApkRunnable = new Runnable() {
        @Override
        public void run() {
            try {
                URL url = new URL(apkUrl);
                File file = new File(savePath);
                if (!file.exists()) {
                    file.mkdir();
                }
                file = new File(saveFileName);
                if (file.exists() && file.isFile()) {
                    file.delete();
                }

                HttpURLConnection conn = (HttpURLConnection) url
                        .openConnection();
                conn.connect();
                int length = conn.getContentLength();
                InputStream is = conn.getInputStream();

                String apkFile = saveFileName;
                File ApkFile = new File(apkFile);
                FileOutputStream fos = new FileOutputStream(ApkFile);

                int count = 0;
                byte buf[] = new byte[1024];

                do {
                    int numread = is.read(buf);
                    count += numread;
                    progress = (int) (((float) count / length) * 100);
                    // 更新进度
                    mHandler.sendEmptyMessage(DOWN_UPDATE);
                    if (numread <= 0) {
                        // 下载完成通知安装
                        mHandler.sendEmptyMessage(DOWN_OVER);
                        break;
                    }
                    fos.write(buf, 0, numread);
                } while (!interceptFlag);// 点击取消就停止下载.

                fos.close();
                is.close();
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
    };

    /**
     * 下载apk
     */
    private void downloadApk() {
        downLoadThread = new Thread(mdownApkRunnable);
        downLoadThread.start();
    }

    /**
     * 安装apk
     */
    private void installApk() {
        downloadDialog.dismiss();
        File apkfile = new File(saveFileName);
        if (!apkfile.exists()) {
            return;
        }
        Intent i = new Intent(Intent.ACTION_VIEW);
        i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        i.setDataAndType(Uri.parse("file://" + apkfile.toString()),
                "application/vnd.android.package-archive");
        mContext.startActivity(i);

    }


}
